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Finding the Fourth Proportional to 26,550.16, 39,831.72 and 8,082.16

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Solution

The fourth proportional to 26,550.16, 39,831.72 and 8,082.16 is: 12,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.16 : 39,831.72 = 8,082.16 : x
  2. Step 2: Convert to fraction form
    26,550.16/39,831.72 = 8,082.16/x
  3. Step 3: Cross multiply
    26,550.16x = 39,831.72 × 8,082.16
  4. Step 4: Simplify right side
    26,550.16x = 321,926,334.12
  5. Step 5: Solve for x
    x = 321,926,334.12/26,550.16
  6. Step 6: Final answer
    x = 12,125.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.